Switch to rollup for bundling

dist/styles.css

@@ -0,0 +1,25 @@
+body {
+	margin: 0;
+	overflow: hidden;
+	background-color: #222;
+}
+
+#container {
+	height: 100vh;
+	width: 100%;
+	display: flex;
+	justify-content: center;
+	align-items: center;
+}
+
+#main {
+	width: 600px;
+	height: 600px;
+	margin: 50px auto;
+	border: 2px solid #111;
+	background-color: #fff;
+}
+
+#temp {
+	display: none;
+}